Answer
Whitehead signed for Sunderland in 2004, when he was 18 years old. He had previously played for the youth teams of Sunderland and Middlesbrough. Whitehead made his first-team debut for Sunderland in 2005 and has since made over 200 appearances for the club. He has also represented England at under-16, under-17, under-19 and under-21 levels.